Receive and display node geometry separately.
Also receive normals of triangles, counts and colors in addition to vertices.
move out functionality related to geometry from Workspace.js
Merge pull request #7 from marimano/Reach

Change the way of geometries transferring
Merge branch 'Reach' of https://github.com/pboyer/flood into Reach

Conflicts:
	app/scripts/models/App.js
	app/scripts/models/Workspace.js
Added a comment to clarify what the code does.